1. Hist. A man who held land directly from the Crown in exchange for military service.
2. Hist. A husband. See BARON ET FEME.
3. One of the judges of the former English or Scottish Courts of Exchequer. — Abbr. B. See BARONS OF THE EXCHEQUER .
4. A noble rank; specif., the lowest rank in the British peerage.
5. Generally, a lord or nobleman.